Ronald Valentine Engines

The finest miniature engines in the world

2.5cc Glow (unknown)
1955 unknown 2.5 Glow Engine

Technical Data:

Bore                              15.0 mm
Stroke                           14.0 mm
Rpm                          17,000 rpm
Power                           0.27 Hp
Total combustion          2.47 cc
Weight                           160 g
Intake                         disc valve

Interesting unknown 2.5cc Glow engine with front and back exhaust ports. The intake is a rear disc valve.

2.5 disc valve racing engine

2.5cc Glow 

Glow 2.5cc

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